254542487 has 8 divisors (see below), whose sum is σ = 268181760. Its totient is φ = 240927480.

The previous prime is 254542471. The next prime is 254542543. The reversal of 254542487 is 784245452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254542487 - 2⁴ = 254542471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254542427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17948 + ... + 28830.

It is an arithmetic number, because the mean of its divisors is an integer number (33522720).

Almost surely, 2^254542487 is an apocalyptic number.

254542487 is a deficient number, since it is larger than the sum of its proper divisors (13639273).

254542487 is a wasteful number, since it uses less digits than its factorization.

254542487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133.

The product of its digits is 358400, while the sum is 41.

The square root of 254542487 is about 15954.3877037008. The cubic root of 254542487 is about 633.7530965799.

The spelling of 254542487 in words is "two hundred fifty-four million, five hundred forty-two thousand, four hundred eighty-seven".